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Author: Ricardo Covarrubias Publisher: ISBN: 9781950178018 Category : Languages : en Pages : 139
Book Description
This book presents a Procedure for Calculating the Machine Parameters used in Stability Studies on AC Generators with Cylindrical Rotors. A sample exercise illustrates the Procedure for Calculating the Flux Densities, Reactance, Time Constants and a Method for Tracing the Machine Characteristic Curves, Saturation, Reactive Capabilities and Excitation "V" Curves. Also illustrated, is the Procedure for Calculating the Machine Design Characteristics on a Squirrel Cage Induction Motor. Specifically, the Tracing of the Performance Curves: 1. Efficiency, Power Factor and Line Current vs. Load 2. Acceleration Curves of Speed vs. Torque and Current 3. Thermal Limit Curves. Some Tabulated Values of Stator-Rotor Slot Combinations are also presented for avoiding excessive Magnetic Noise, harmful Torque Cusps, and stalled Sub-Speed Rotor Conditions.
Author: Ricardo Covarrubias Publisher: ISBN: 9781950178018 Category : Languages : en Pages : 139
Book Description
This book presents a Procedure for Calculating the Machine Parameters used in Stability Studies on AC Generators with Cylindrical Rotors. A sample exercise illustrates the Procedure for Calculating the Flux Densities, Reactance, Time Constants and a Method for Tracing the Machine Characteristic Curves, Saturation, Reactive Capabilities and Excitation "V" Curves. Also illustrated, is the Procedure for Calculating the Machine Design Characteristics on a Squirrel Cage Induction Motor. Specifically, the Tracing of the Performance Curves: 1. Efficiency, Power Factor and Line Current vs. Load 2. Acceleration Curves of Speed vs. Torque and Current 3. Thermal Limit Curves. Some Tabulated Values of Stator-Rotor Slot Combinations are also presented for avoiding excessive Magnetic Noise, harmful Torque Cusps, and stalled Sub-Speed Rotor Conditions.
Author: Juha Pyrhonen Publisher: John Wiley & Sons ISBN: 1118701658 Category : Technology & Engineering Languages : en Pages : 612
Book Description
In one complete volume, this essential reference presents an in-depth overview of the theoretical principles and techniques of electrical machine design. This timely new edition offers up-to-date theory and guidelines for the design of electrical machines, taking into account recent advances in permanent magnet machines as well as synchronous reluctance machines. New coverage includes: Brand new material on the ecological impact of the motors, covering the eco-design principles of rotating electrical machines An expanded section on the design of permanent magnet synchronous machines, now reporting on the design of tooth-coil, high-torque permanent magnet machines and their properties Large updates and new material on synchronous reluctance machines, air-gap inductance, losses in and resistivity of permanent magnets (PM), operating point of loaded PM circuit, PM machine design, and minimizing the losses in electrical machines> End-of-chapter exercises and new direct design examples with methods and solutions to real design problems> A supplementary website hosts two machine design examples created with MATHCAD: rotor surface magnet permanent magnet machine and squirrel cage induction machine calculations. Also a MATLAB code for optimizing the design of an induction motor is provided Outlining a step-by-step sequence of machine design, this book enables electrical machine designers to design rotating electrical machines. With a thorough treatment of all existing and emerging technologies in the field, it is a useful manual for professionals working in the diagnosis of electrical machines and drives. A rigorous introduction to the theoretical principles and techniques makes the book invaluable to senior electrical engineering students, postgraduates, researchers and university lecturers involved in electrical drives technology and electromechanical energy conversion.
Author: Thomas A. Lipo Publisher: John Wiley & Sons ISBN: 1119352096 Category : Technology & Engineering Languages : en Pages : 652
Book Description
The only book on the market that emphasizes machine design beyond the basic principles of AC and DC machine behavior AC electrical machine design is a key skill set for developing competitive electric motors and generators for applications in industry, aerospace, and defense. This book presents a thorough treatment of AC machine design, starting from basic electromagnetic principles and continuing through the various design aspects of an induction machine. Introduction to AC Machine Design includes one chapter each on the design of permanent magnet machines, synchronous machines, and thermal design. It also offers a basic treatment of the use of finite elements to compute the magnetic field within a machine without interfering with the initial comprehension of the core subject matter. Based on the author’s notes, as well as after years of classroom instruction, Introduction to AC Machine Design: Brings to light more advanced principles of machine design—not just the basic principles of AC and DC machine behavior Introduces electrical machine design to neophytes while also being a resource for experienced designers Fully examines AC machine design, beginning with basic electromagnetic principles Covers the many facets of the induction machine design Introduction to AC Machine Design is an important text for graduate school students studying the design of electrical machinery, and it will be of great interest to manufacturers of electrical machinery.
Author: Ahmed Masmoudi Publisher: ISBN: 9789811309212 Category : Electric machinery Languages : en Pages :
Book Description
This book provides the basis of the design of rotating AC machines. The first chapter puts the emphasis on the air gap magnetomotive force (MMF) of Rotating AC machines and the second chapter deals with the formulation of the rotating fields that could be generated considering different technique. The third chapter of this book focuses on the arrangement of the armature winding of fractional-slot concentrated winding permanent magnet synchronous machines, which is achieved considering the star of slots approach. Each topic is explained by case studies that show how to implement the theory into real-world design of DC machines.
Author: René Le Doeuff Publisher: John Wiley & Sons ISBN: 1118620631 Category : Technology & Engineering Languages : en Pages : 204
Book Description
In this book a general matrix-based approach to modeling electrical machines is promulgated. The model uses instantaneous quantities for key variables and enables the user to easily take into account associations between rotating machines and static converters (such as in variable speed drives). General equations of electromechanical energy conversion are established early in the treatment of the topic and then applied to synchronous, induction and DC machines. The primary characteristics of these machines are established for steady state behavior as well as for variable speed scenarios. Important new applications for this technology (such as wind turbines, electric propulsion systems for large ships, etc.) are addressed and the book is illustrated with a large number of informative and detailed photographs, provided by various companies at the leading edge of research and applications in the field.
Author: Ahmed Masmoudi Publisher: Springer ISBN: 9811309205 Category : Technology & Engineering Languages : en Pages : 100
Book Description
This book provides the basis of the design of rotating AC machines. The first chapter puts the emphasis on the air gap magnetomotive force (MMF) of Rotating AC machines and the second chapter deals with the formulation of the rotating fields that could be generated considering different technique. The third chapter of this book focuses on the arrangement of the armature winding of fractional-slot concentrated winding permanent magnet synchronous machines, which is achieved considering the star of slots approach. Each topic is explained by case studies that show how to implement the theory into real-world design of DC machines.
Author: Greg C. Stone Publisher: John Wiley & Sons ISBN: 1118892291 Category : Technology & Engineering Languages : en Pages : 685
Book Description
A fully expanded new edition documenting the significant improvements that have been made to the tests and monitors of electrical insulation systems Electrical Insulation for Rotating Machines: Design, Evaluation, Aging, Testing, and Repair, Second Edition covers all aspects in the design, deterioration, testing, and repair of the electrical insulation used in motors and generators of all ratings greater than fractional horsepower size. It discusses both rotor and stator windings; gives a historical overview of machine insulation design; and describes the materials and manufacturing methods of the rotor and stator winding insulation systems in current use (while covering systems made over fifty years ago). It covers how to select the insulation systems for use in new machines, and explains over thirty different rotor and stator winding failure processes, including the methods to repair, or least slow down, each process. Finally, it reviews the theoretical basis, practical application, and interpretation of forty different tests and monitors that are used to assess winding insulation condition, thereby helping machine users avoid unnecessary machine failures and reduce maintenance costs. Electrical Insulation for Rotating Machines: Documents the large array of machine electrical failure mechanisms, repair methods, and test techniques that are currently available Educates owners of machines as well as repair shops on the different failure processes and shows them how to fix or otherwise ameliorate them Offers chapters on testing, monitoring, and maintenance strategies that assist in educating machine users and repair shops on the tests needed for specific situations and how to minimize motor and generator maintenance costs Captures the state of both the present and past “art” in rotating machine insulation system design and manufacture, which helps designers learn from the knowledge acquired by previous generations An ideal read for researchers, developers, and manufacturers of electrical insulating materials for machines, Electrical Insulation for Rotating Machines will also benefit designers of motors and generators who must select and apply electrical insulation in machines.
Author: Ricardo Covarrubias
Author: Ricardo Covarrubias
Author: Juha Pyrhonen
Author: Thomas A. Lipo
Author: Dale R. Patrick
Author: Ahmed Masmoudi
Author: René Le Doeuff
Author: International Electrotechnical Commission
Author: Ahmed Masmoudi
Author: Standards South Africa
Author: Greg C. Stone